Reconstruction:Proto-Celtic/kʷetru-

This Proto-Celtic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Celtic

Etymology

From a metathesized variant of Proto-Indo-European *kʷetwr̥-. Prefix counterpart to *kʷetwores.

Prefix

*kʷetru-

1. four

Descendants

• Proto-Brythonic:
  • Middle Welsh: pedry-
    • Welsh: pedry-
• Old Irish: cethar-
  • Middle Irish: cethar-
• Gaulish: petru- (in e.g. petrudecametos and Petrocorii)